PaPILO

postsolve_from_file(problem_postsolve, reduced_sol, original_sol)

Arguments:

• problem_postsolve: postsolve file produced by the presolve command
• reduced_sol: solution file to the reduced problem (produced by an external solver)
• original_sol: file name where to write the solution to the original problem

presolve_write_from_file(problem_input::String, problem_postsolve::String, reduced_problem::String)

Given the file problem_input containing the original problem, presolve it, store the presolved problem file in reduced_problem with the postsolve information written to problem_postsolve to then pass to the postsolve_from_file function